Activity M on a CPM network has predecessors N and R, and has successor S. M has

Question

Activity M on a CPM network has predecessors N and R, and has successor S. M has a duration of 5. N's late finish is 18, while R's is 20. S's late start is 14. Which of the following is true?

Activity M on a CPM network has predecessors N and R, and has successor S. M has a duration of 5. N's late finish is 18, while R's is 20. S's late start is 14. Which of the following is true? O None are true M is critical M has no slack but is not critical O The last start time of S is not possible. O S must be completed before N

Explanation / Answer

The correct option is D. The last start time of S is not possible. All the other options mentioned are false.

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